Home / 53,685.27-74,084.09-29,486.52

Finding the Fourth Proportional to 53,685.27, 74,084.09 and 29,486.52

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Solution

The fourth proportional to 53,685.27, 74,084.09 and 29,486.52 is: 40,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,685.27 : 74,084.09 = 29,486.52 : x
  2. Step 2: Convert to fraction form
    53,685.27/74,084.09 = 29,486.52/x
  3. Step 3: Cross multiply
    53,685.27x = 74,084.09 × 29,486.52
  4. Step 4: Simplify right side
    53,685.27x = 2,184,481,854.03
  5. Step 5: Solve for x
    x = 2,184,481,854.03/53,685.27
  6. Step 6: Final answer
    x = 40,690.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.